using System.Runtime.InteropServices;

/// <summary>
/// Summary description for Class1.
/// </summary>
/// 
[Guid("ED622625-A7FA-4559-90EF-961443AD66D1")]
public interface IStringCaller
{
    void Compute(
        // Input.
            [MarshalAs(UnmanagedType.LPStr)] string input,
        // Output.
            [MarshalAs(UnmanagedType.LPStr)] out string output);
}